Remember that we do not talk here for a dump LED but for a smart controller inside a led and this controller can be anywhere in a LED chain. Also this controller in an RGB LED controls its color and...

Ok. As I just occasionally delve into projects, you can understand my surprise that a friggin' LED albeit RGB is such a hassle. Had it in the back of my mind that driving them would be the easy part....

I agree, The APA102C's are the easiest to use. Here is a SIMPLE example: Also you CAN'T allow any interrupts during the NEOPIXEL data stream or all earlier data sent in the stream will be lost. With...